This is a beautiful way to honor your practice. Obsidian is igneous rock that forms from melted rock or magma. (made from magma erupted from a volcano) Obsidian was used in Mexica weaponary like the Macuahuitl.
This piece is a beautiful sychronization of the Mexica spirit Coatlicue (Tonanztin) Serperant Skirt. A earth feminine energy the indigenous people of mexico hid behind the Virgen De Guadelupe Saint during colonization. 
Huey Tonanztin! 
 
Material：Gold Sheen Obsidian
Size: approximately 1.9*3.5*0.5in(5*9*1.3cm)